非防爆区域内穿线管连接处两端，应焊接跨接线，或用接地线通过接地卡连接。
At both ends of conduit in non-explosion proof area, the bridging lines should welded or the earth wires should be connected with clamp.
加热器电路接地线直接连接到地面，加热器电路电源线也直接从点火电路或继电器盒处提供。
The heater circuit power wire is supplied directly from the ignition circuit or a relay and the heater circuit ground is connected directly to the ground plane.
加热器电路接地线直接连接到地面，加热器电路电源线也直接从点火电路或继电器盒处提供。
The heater circuit power wire is supplied directly from the ignition circuit or a relay and the heater circuit ground is connected directly to the ground plane.
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